We present results and first epoch parsec-scale images from a monitoring program on five γ--ray loud blazars selected on the basis of their total flux density variability. We observed 0048−097, 0235+164, 0954+658, 1510−089 and 1749+096 with the Very Long Baseline Array simultaneously at 8.4 GHz and 22 GHz. Comparison between our high quality images and previous results from the literature suggest that 0954+658 and 1510−089 are superluminal radio sources, with a Lorentz factor γ of the order of ∼2−3.
@article{arxiv.astro-ph/0009352,
title = {Radio cores in blazars},
author = {T. Venturi and D. Dallacasa and S. Torri and F. Mantovani},
journal= {arXiv preprint arXiv:astro-ph/0009352},
year = {2007}
}
Comments
2 pages, 1 figures, Proceedings of the 5th EVN Symposium, Eds. John Conway, A. Polatidis, R. Booth, Chalmers Technical University